EP2985423A4 - Soupape de vapeur - Google Patents

Soupape de vapeur

Info

Publication number
EP2985423A4
EP2985423A4 EP13886825.2A EP13886825A EP2985423A4 EP 2985423 A4 EP2985423 A4 EP 2985423A4 EP 13886825 A EP13886825 A EP 13886825A EP 2985423 A4 EP2985423 A4 EP 2985423A4
Authority
EP
European Patent Office
Prior art keywords
steam valve
steam
valve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP13886825.2A
Other languages
German (de)
English (en)
Other versions
EP2985423B1 (fr
EP2985423A1 (fr
Inventor
Katsuhisa Hamada
Kensuke Futahashi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Power Ltd
Original Assignee
Mitsubishi Hitachi Power Systems Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Hitachi Power Systems Ltd filed Critical Mitsubishi Hitachi Power Systems Ltd
Publication of EP2985423A1 publication Critical patent/EP2985423A1/fr
Publication of EP2985423A4 publication Critical patent/EP2985423A4/fr
Application granted granted Critical
Publication of EP2985423B1 publication Critical patent/EP2985423B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D17/00—Regulating or controlling by varying flow
    • F01D17/10—Final actuators
    • F01D17/12—Final actuators arranged in stator parts
    • F01D17/18—Final actuators arranged in stator parts varying effective number of nozzles or guide conduits, e.g. sequentially operable valves for steam turbines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D17/00—Regulating or controlling by varying flow
    • F01D17/20—Devices dealing with sensing elements or final actuators or transmitting means between them, e.g. power-assisted
    • F01D17/22—Devices dealing with sensing elements or final actuators or transmitting means between them, e.g. power-assisted the operation or power assistance being predominantly non-mechanical
    • F01D17/26—Devices dealing with sensing elements or final actuators or transmitting means between them, e.g. power-assisted the operation or power assistance being predominantly non-mechanical fluid, e.g. hydraulic
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D17/00—Regulating or controlling by varying flow
    • F01D17/10—Final actuators
    • F01D17/12—Final actuators arranged in stator parts
    • F01D17/14—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits
    • F01D17/141—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of shiftable members or valves obturating part of the flow path
    • F01D17/145—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of shiftable members or valves obturating part of the flow path by means of valves, e.g. for steam turbines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • F16K1/34—Cutting-off parts, e.g. valve members, seats
    • F16K1/36—Valve members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • F16K1/34—Cutting-off parts, e.g. valve members, seats
    • F16K1/42—Valve seats
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • F16K1/54—Arrangements for modifying the way in which the rate of flow varies during the actuation of the valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2220/00—Application
    • F05D2220/30—Application in turbines
    • F05D2220/31—Application in turbines in steam turbines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2250/00—Geometry
    • F05D2250/20—Three-dimensional
    • F05D2250/24—Three-dimensional ellipsoidal
    • F05D2250/241—Three-dimensional ellipsoidal spherical
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2250/00—Geometry
    • F05D2250/20—Three-dimensional
    • F05D2250/27—Three-dimensional hyperboloid

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift Valve (AREA)
  • Details Of Valves (AREA)
  • Control Of Turbines (AREA)
EP13886825.2A 2013-06-13 2013-12-27 Soupape de vapeur Active EP2985423B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013124835A JP5951557B2 (ja) 2013-06-13 2013-06-13 蒸気弁
PCT/JP2013/085238 WO2014199534A1 (fr) 2013-06-13 2013-12-27 Soupape de vapeur

Publications (3)

Publication Number Publication Date
EP2985423A1 EP2985423A1 (fr) 2016-02-17
EP2985423A4 true EP2985423A4 (fr) 2016-06-08
EP2985423B1 EP2985423B1 (fr) 2017-02-01

Family

ID=52021861

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13886825.2A Active EP2985423B1 (fr) 2013-06-13 2013-12-27 Soupape de vapeur

Country Status (6)

Country Link
US (1) US9416678B2 (fr)
EP (1) EP2985423B1 (fr)
JP (1) JP5951557B2 (fr)
KR (1) KR101643517B1 (fr)
CN (1) CN105339598B (fr)
WO (1) WO2014199534A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6092062B2 (ja) * 2013-09-24 2017-03-08 株式会社東芝 蒸気弁装置及び発電設備
CN106090269B (zh) * 2016-08-30 2018-05-22 东方电气集团东方汽轮机有限公司 一种球形调节阀阀碟型线结构及其设计方法
JP6228336B1 (ja) * 2017-04-17 2017-11-08 三井造船株式会社 環状弁
JP7337666B2 (ja) * 2019-11-07 2023-09-04 愛三工業株式会社 弁装置
CN114658498B (zh) * 2020-12-23 2024-03-19 上海电气电站设备有限公司 汽轮机联合阀门及其设计方法
JP2022158044A (ja) * 2021-04-01 2022-10-14 株式会社東芝 蒸気弁および蒸気タービン

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09210244A (ja) * 1996-02-05 1997-08-12 Hitachi Ltd 蒸気加減弁
US20070235670A1 (en) * 2004-08-30 2007-10-11 Kabushiki Kaisha Toshiba Steam valve
US20110297868A1 (en) * 2010-06-02 2011-12-08 Toshinari Nishimura Steam valve

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2333455A (en) * 1942-04-04 1943-11-02 Gen Electric Valve arrangement
US3773085A (en) * 1971-01-14 1973-11-20 Westinghouse Electric Corp Noise suppressing throttling valve
JPS5485422A (en) * 1977-12-21 1979-07-07 Tokyo Shibaura Electric Co Valve
FR2560648B1 (fr) * 1984-03-01 1986-09-19 Centre Techn Ind Mecanique Procede pour stabiliser l'ecoulement de fluides lors de detente accompagnee de degradation d'energie cinetique, soupape et detendeur mettant en oeuvre ce procede
IN165869B (fr) * 1985-04-25 1990-02-03 Westinghouse Electric Corp
FR2683852B1 (fr) 1991-11-19 1995-05-19 Gec Alsthom Sa Soupape avec siege crenele.
GB2295659B (en) * 1994-12-02 1998-03-18 Gec Alsthom Ltd Sequential steam valve
US5533548A (en) * 1995-05-18 1996-07-09 Caterpillar Inc. Valving interface for a poppet valve
JPH09296869A (ja) 1996-05-07 1997-11-18 Mitsubishi Heavy Ind Ltd 大口径制御弁
JP3512979B2 (ja) 1997-04-21 2004-03-31 株式会社日立製作所 蒸気加減弁
JPH10299909A (ja) * 1997-04-25 1998-11-13 Hitachi Ltd 蒸気加減弁
AU2002235195A1 (en) * 2000-11-01 2002-05-15 Elliott Turbomachinery Co., Inc. High-stability valve arrangement for a governor valve
JP5022853B2 (ja) 2007-10-03 2012-09-12 株式会社東芝 蒸気弁および発電設備
JP5535524B2 (ja) * 2009-05-25 2014-07-02 三菱重工業株式会社 弁装置
US20110297867A1 (en) 2010-06-07 2011-12-08 General Electric Company Flow guided valve seat for steam turbine valves

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09210244A (ja) * 1996-02-05 1997-08-12 Hitachi Ltd 蒸気加減弁
US20070235670A1 (en) * 2004-08-30 2007-10-11 Kabushiki Kaisha Toshiba Steam valve
US20110297868A1 (en) * 2010-06-02 2011-12-08 Toshinari Nishimura Steam valve

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2014199534A1 *

Also Published As

Publication number Publication date
US20160102575A1 (en) 2016-04-14
EP2985423B1 (fr) 2017-02-01
US9416678B2 (en) 2016-08-16
EP2985423A1 (fr) 2016-02-17
JP5951557B2 (ja) 2016-07-13
KR20150139936A (ko) 2015-12-14
CN105339598A (zh) 2016-02-17
KR101643517B1 (ko) 2016-07-27
CN105339598B (zh) 2017-03-08
JP2015001171A (ja) 2015-01-05
WO2014199534A1 (fr) 2014-12-18

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